CN106426673A - Ejection system and operation method thereof - Google Patents
Ejection system and operation method thereof Download PDFInfo
- Publication number
- CN106426673A CN106426673A CN201611022156.5A CN201611022156A CN106426673A CN 106426673 A CN106426673 A CN 106426673A CN 201611022156 A CN201611022156 A CN 201611022156A CN 106426673 A CN106426673 A CN 106426673A
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- China
- Prior art keywords
- pin device
- push pin
- square iron
- plate
- width
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses an ejection system and an operation method thereof. The ejection system comprises an upper fixing plate, a front die plate fixed below the upper fixing plate, a front die core fixed in the front die plate, a lower fixing plate, square iron fixed to the lower fixing plate, a rear die plate fixed to the square iron and a rear die core fixed in the rear die plate. An ejector groove is formed in the lower fixing plate, the square iron, the rear die plate and the rear die core in a penetrating manner. An ejector is arranged in the ejector groove. An insert used for carrying a to-be-ejected product is arranged at the top end of the ejector. In addition, a first ejection pin device and a second ejection pin device are sequentially arranged in the square iron and around the ejector from bottom to top. The first ejection pin device and the second ejection pin device are connected through a mechanical opening and closing device. In the square iron, the width of the upper end portion is smaller relative to the width of the lower end portion, the width of the first ejection pin device is smaller than the width of the upper end portion of the square iron, and the width of the second ejection pin device is larger than the width of the upper end portion of the square iron and smaller than the width of the lower end portion of the square iron.
Description
Technical field
The present invention relates to Design of Dies field, more particularly, to a kind of ejection system and its method of operating.
Background technology
Regular cube mould adopts spring ejection mold insert, so that product back-off is smoothly deviate from.During mould matched moulds, by
Release state in mold insert also in spring, need with master mold parting face pressure meeting position, after multiple pressing, die joint out-of-flatness,
Lead to product that overlap 1 (as shown in Figure 1) occurs.The appearance of overlap, impact product quality, it is impossible to continue to produce, needs repairing, shadow
Ring and produce.
More specifically, regular cube product is in mould molding, the touching perforation burr 1 and cannot thoroughly repair of the centre of generation
Multiple, and can repeatedly occur.This touch perforation burr 1 lead to mould periodically descend mould keep in repair, waste time, affect yield it is impossible to
Meet producing line demand.
Therefore, those skilled in the art is devoted to developing a kind of technical side eliminating or at least reducing the generation of overlap
Case.
Content of the invention
In view of the drawbacks described above of prior art, the technical problem to be solved is to provide a kind of eliminate or extremely
Reduce the ejection system of generation and the extrusion method of overlap less.
For achieving the above object, the invention provides a kind of ejection system, including：Upper mounted plate, it is fixed on upper mounted plate
The front template of lower section, the front cavity being fixed in front template, bottom plate, the square iron being fixed on bottom plate, the side of being fixed on
Rear pattern plate on iron and be fixed on the rear cavity in rear pattern plate；Wherein, in bottom plate, square iron, rear pattern plate and rear cavity
Inside run through and be disposed with top rod groove, in the rod groove of top, be disposed with top rod, being disposed with top rod top prevents from treating the mold insert of ejecting product；And
And wherein, in square iron, it has been sequentially arranged the first push pin device and the second push pin device, the first thimble from bottom to up around top rod
Device and the second push pin device are passed through mechanical shutter and are connected；Inside square iron, the width of upper part is with respect to end portion
Width narrower, the width of the first push pin device is less than the width of the upper part of square iron, and the width of the second push pin device is more than
The width of the upper part of square iron and the width of the end portion less than square iron.
Preferably, when mechanical shutter is subject to the separating force more than pre- lock power, mechanical shutter releasing the first thimble fills
Put the locking and the second push pin device between, the mechanical shutter when mechanical shutter is subject to the separating force of no more than pre- lock power
Keep the locking between the first push pin device and the second push pin device.
Preferably, in square iron around top rod be sequentially arranged from bottom to up with push up rod engage the first ejector retainner plate, second
Ejector retainner plate, the 3rd ejector retainner plate and the 4th ejector retainner plate；First ejector retainner plate and the second ejector retainner plate are fixed together formation first top
Needle device, the 3rd ejector retainner plate and the 4th ejector retainner plate are fixed together formation the second push pin device.
For achieving the above object, present invention also offers a kind of method of operating of above-mentioned ejection system, including：First ejection
Step：Upper mounted plate, front template are separated with the other parts of ejection system together with front cavity；Second eject step：The
One push pin device is lifted together with the second push pin device is under the locking of mechanical shutter, thus driving top rod jack-up, Zhi Dao
Two push pin device reach the top of the end portion of square iron；3rd eject step：Mechanical shutter releases under the resistance of square iron
Locking, the second push pin device stops lifting, and the first push pin device continues to drive top rod jack-up, completes product ejection action.
Preferably, the first eject step makes upper mounted plate, front template and the overall lifting of front cavity, and leaves ejection system
Other parts.
The present invention realizes the opening and closing movement of mould using mechanical system, more stable than with spring structure, is effectively improved and touches
Wear face pressure and close situation, solve to touch to wear face flashing problems.And, the present invention is by the modification to mould structure, mold actions folding
Stable, mould produces normal, minimizing mold repair cost.The present invention effectively improves die life, quality, improves and produces effect
Rate.
Technique effect below with reference to design, concrete structure and generation to the present invention for the accompanying drawing is described further, with
It is fully understood from the purpose of the present invention, feature and effect.
Brief description
In conjunction with accompanying drawing, and by reference to detailed description below, it will more easily have more complete understanding to the present invention
And its adjoint advantages and features are more easily understood, wherein：
Fig. 1 is the schematic diagram that product produces overlap.
Fig. 2 is the general illustration of ejection system according to the preferred embodiment of the invention.
Fig. 3 is the schematic diagram of the specific example of mechanical shutter of ejection system according to the preferred embodiment of the invention.
Fig. 4 is the operation chart of ejection system according to the preferred embodiment of the invention.
Fig. 5 is the operation chart of ejection system according to the preferred embodiment of the invention.
It should be noted that accompanying drawing is used for the present invention is described, and the unrestricted present invention.Note, represent that the accompanying drawing of structure can
Can be not necessarily drawn to scale.And, in accompanying drawing, same or like element indicates same or like label.
Specific embodiment
Fig. 2 is the general illustration of ejection system according to the preferred embodiment of the invention.
As shown in Fig. 2 ejection system according to the preferred embodiment of the invention includes：Upper mounted plate 10, it is fixed on fixation
The front template 20 of plate 10 lower section, the front cavity 30 being fixed in front template 20, bottom plate 70, it is fixed on bottom plate 70
Square iron 60, the rear pattern plate 40 being fixed on square iron 60 and be fixed on the rear cavity 50 in rear pattern plate 40.
Wherein, run through in bottom plate 70, square iron 60, rear pattern plate 40 and rear cavity 50 and be disposed with top rod groove, push up rod
It is disposed with top rod 80 in groove, be disposed with, on top rod 80 top, the mold insert 90 preventing from treating ejecting product 100.
And wherein, in square iron 60, it is sequentially arranged, around top rod 80, the first thimble engaging with top rod 80 from bottom to up
Plate 11, the second ejector retainner plate 12, the 3rd ejector retainner plate 13 and the 4th ejector retainner plate 14；First ejector retainner plate 11 and the second ejector retainner plate 12 are fixing even
Be connected together formation the first push pin device, and the 3rd ejector retainner plate 13 and the 4th ejector retainner plate 14 are fixed together formation the second thimble
Device；First push pin device and the second push pin device are passed through mechanical shutter 21 and are connected.
Specifically, mechanical shutter 21 is that a kind of separating force no more than strength cannot be opened, and works as separating force greater than predetermined
Lock power then a kind of openable standard component (that is, when mechanical shutter 21 is subject to the separating force more than pre- lock power, machinery leaves
Close device 21 to unlock, when mechanical shutter 21 is subject to the separating force of no more than pre- lock power, mechanical shutter 21 keeps locking
Fixed), for example can be using the structure shown in Fig. 3.
Wherein, inside square iron 60, the width of upper part is narrower with respect to the width of end portion, the first push pin device
Width be less than square iron 60 upper part width, the width of the second push pin device is more than the width of the upper part of square iron 60
And the width of the end portion less than square iron 60.
Thus, as Fig. 4 and Fig. 5 (Fig. 4 and Fig. 5 is the operation chart of the ejection system of the preferred embodiment of the present invention) institute
Show, ejection system according to the preferred embodiment of the invention can execute operations described below：
First eject step：Make upper mounted plate 10, the front template 20 other portions with ejection system together with front cavity 30
Separate；
For example, the first eject step makes upper mounted plate 10, front template 20 and the overall lifting of front cavity 30, and leaves ejection
The other parts of system.
Second eject step：First ejector retainner plate 11, the second ejector retainner plate 12, the 3rd ejector retainner plate 13 and the 4th ejector retainner plate 14 (
One push pin device and the second push pin device) under the locking of mechanical shutter 21 together with lifted, thus drive top rod 80 jack-up, directly
Reach the top of the end portion of square iron 60 to the 3rd ejector retainner plate 13 and the 4th ejector retainner plate 14 (second push pin device)；Now, push up
Rod 80 and mold insert eject so that treating that ejecting product 100 back-off goes out die cavity simultaneously.
3rd eject step：Mechanical shutter 21 unlocks under the resistance of square iron 60, the 3rd ejector retainner plate 13 and the 4th
Ejector retainner plate 14 (second push pin device) stops lifting, and the first ejector retainner plate 11 and the second ejector retainner plate 12 (first push pin device) continue band
Dynamic top rod 80 jack-up, completes product ejection action.
As can be seen that mechanical shutter pins this two groups of push pin device when first time ejection action (the second eject step)
Keep motion consistent, at this moment product and back-off part are also ejected mold cavity therewith it is ensured that product back-off has the condition taking off by force
(both product had the deformation space departing from back-off), after the second push pin device runs into square iron generation stop, mechanical shutter is beaten
Open, separately, the first push pin device continues to move ahead and relies on thimble to eject product two groups of ejector retainner plates.
Thus, by the improvement to mould structure, using using cooperatively of push pin device and mechanical shutter, complete mould
Double-ejection action, that is, meet the needs of the product back-off demoulding, also ensure mold insert no longer with master mold die joint press, touch and wear
Face flashing problems solve.
The present invention realizes the opening and closing movement of mould using mechanical system, more stable than with spring structure, is effectively improved and touches
Wear face pressure and close situation, solve to touch to wear face flashing problems.And, the present invention is by the modification to mould structure, mold actions folding
Stable, mould produces normal, minimizing mold repair cost.The present invention effectively improves die life, quality, improves and produces effect
Rate.
Described above illustrate and describes the preferred embodiments of the present invention, as previously mentioned it should be understood that the present invention not office
Be limited to form disclosed herein, be not to be taken as the exclusion to other embodiment, and can be used for various other combinations, modification and
Environment, and can be changed by the technology or knowledge of above-mentioned teaching or association area in invention contemplated scope described herein
Dynamic.And the change that those skilled in the art are carried out and change without departing from the spirit and scope of the present invention, then all should be appended by the present invention
In scope of the claims.
Claims (5)
1. a kind of ejection system is it is characterised in that include：Upper mounted plate, it is fixed on front template below upper mounted plate, is fixed on
Front cavity in front template, bottom plate, the square iron being fixed on bottom plate, the rear pattern plate being fixed on square iron, Yi Jigu
It is scheduled on the rear cavity in rear pattern plate；Wherein, run through in bottom plate, square iron, rear pattern plate and rear cavity and be disposed with top rod groove,
It is disposed with top rod, being disposed with top rod top prevents from treating the mold insert of ejecting product in the rod groove of top；And wherein, in square iron around
Top rod has been sequentially arranged the first push pin device and the second push pin device from bottom to up, and the first push pin device and the second push pin device are led to
Cross mechanical shutter to connect；Inside square iron, the width of upper part is narrower with respect to the width of end portion, the first thimble dress
The width put is less than the width of the upper part of square iron, and the width of the second push pin device is more than the width of the upper part of square iron simultaneously
And the width of the end portion less than square iron.
2. ejection system as claimed in claim 1 it is characterised in that be subject to the separation more than pre- lock power when mechanical shutter
During power, mechanical shutter releases the locking between the first push pin device and the second push pin device, when mechanical shutter is subject to be not more than
During the separating force of pre- lock power, mechanical shutter keeps the locking between the first push pin device and the second push pin device.
3. ejection system as claimed in claim 1 or 2 is it is characterised in that around top rod cloth successively from bottom to up in square iron
It is equipped with and push up the first ejector retainner plate, the second ejector retainner plate, the 3rd ejector retainner plate and the 4th ejector retainner plate that rod engages；First ejector retainner plate and second
Ejector retainner plate is fixed together formation the first push pin device, and the 3rd ejector retainner plate and the 4th ejector retainner plate are fixed together and are formed
Second push pin device.
4. the method for operating of the ejection system described in a kind of one of claims 1 to 3 is it is characterised in that include：
First eject step：Upper mounted plate, front template are separated with the other parts of ejection system together with front cavity；
Second eject step：First push pin device is lifted together with the second push pin device is under the locking of mechanical shutter, thus
Drive top rod jack-up, until the second push pin device reaches the top of the end portion of square iron；
3rd eject step：Mechanical shutter unlocks under the resistance of square iron, and the second push pin device stops lifting, the first top
Needle device continues to drive top rod jack-up, completes product ejection action.
5. method of operating as claimed in claim 4 it is characterised in that the first eject step make upper mounted plate, front template and
The overall lifting of front cavity, and leave the other parts of ejection system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611022156.5A CN106426673A (en) | 2016-11-16 | 2016-11-16 | Ejection system and operation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611022156.5A CN106426673A (en) | 2016-11-16 | 2016-11-16 | Ejection system and operation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106426673A true CN106426673A (en) | 2017-02-22 |
Family
ID=58221389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611022156.5A Pending CN106426673A (en) | 2016-11-16 | 2016-11-16 | Ejection system and operation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106426673A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108437381A (en) * | 2018-05-25 | 2018-08-24 | 永高股份有限公司 | It is a kind of have touch the mold ejection mechanism for wearing protection |
| CN109414846A (en) * | 2017-04-17 | 2019-03-01 | 株式会社技术可拉茨 | Holding unit, have the holding unit molding die ejecting mechanism |
| US11213984B2 (en) | 2017-03-27 | 2022-01-04 | Technocrats Corporation | Undercut processing mechanism and molding die assembly |
-
2016
- 2016-11-16 CN CN201611022156.5A patent/CN106426673A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11213984B2 (en) | 2017-03-27 | 2022-01-04 | Technocrats Corporation | Undercut processing mechanism and molding die assembly |
| CN109414846A (en) * | 2017-04-17 | 2019-03-01 | 株式会社技术可拉茨 | Holding unit, have the holding unit molding die ejecting mechanism |
| CN109414846B (en) * | 2017-04-17 | 2021-01-15 | 株式会社技术可拉茨 | Holding unit and ejection mechanism of molding die provided with same |
| US11345071B2 (en) | 2017-04-17 | 2022-05-31 | Technocrats Corporation | Retaining unit, and ejection mechanism of molding die assembly including retaining unit |
| CN108437381A (en) * | 2018-05-25 | 2018-08-24 | 永高股份有限公司 | It is a kind of have touch the mold ejection mechanism for wearing protection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170222 |